Abstract
Powertrains electrification resulted in a wide range of hybrid vehicle architectures. Fuel consumption of these powertrains strongly relies on the energy converters performance, as well as on the energy management strategy deployed on-board. This paper investigates the fuel cell as energy converter for electrified vehicles. The serial hybrid range extenders architecture is considered. Two main types of fuel cells are considered for range extenders modules: proton exchange membrane fuel cell (PEMFC) and solid oxide fuel cell (SOFC). The solid-oxide fuel cell offers the possibility to use liquid fuels as carrier of hydrogen: bio-ethanol or biogas. The functional mechanisms of the coupling of the renewable energy vectors to the fuel cell converters are described. The article investigates the potential of energy consumption savings of a serial hybrid electric vehicle (SHEV) using both the PEMFC and the SOFC as energy converter operating as auxiliary power unit (APU) instead of the conventional internal combustion engine (ICE). Both FC APU are integrated in the developed SHEV powertrain. Energy consumption simulations are performed on WLTP cycle using dynamic programing as global optimal energy management strategy.
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